Pith Number

pith:FGWHXDAF

pith:2009:FGWHXDAFPKT3XHGMYQKHXQB2RC

not attested not anchored not stored refs pending

The Chandra survey of the COSMOS field II: source detection and photometry

A. Comastri, A. Finoguenov, A. Fruscione, A. M. Koekemoer, C. Vignali, F. Civano, F. Damiani, F. Fiore, G. Zamorani, H. Brunner, M. Brusa, M. Elvis, N. Cappelluti, R. Gilli, S. Puccetti, T. L. Aldcroft, T. Miyaji, V. Mainieri

arxiv:0910.2617 v1 · 2009-10-14 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FGWHXDAFPKT3XHGMYQKHXQB2RC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T02:34:18.879367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29ac7b8c057aa7bb9cccc4147bc03a889d423286e8292233d4d7f53c829873be

Aliases

arxiv: 0910.2617 · arxiv_version: 0910.2617v1 · doi: 10.48550/arxiv.0910.2617 · pith_short_12: FGWHXDAFPKT3 · pith_short_16: FGWHXDAFPKT3XHGM · pith_short_8: FGWHXDAF

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FGWHXDAFPKT3XHGMYQKHXQB2RC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 29ac7b8c057aa7bb9cccc4147bc03a889d423286e8292233d4d7f53c829873be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce123fae19e2dbe5779da77937b39eac4c66a7ee42dd3e0d760ca10139b89121",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-10-14T13:29:37Z",
    "title_canon_sha256": "35925a96a659403de8eeef6e6855bb93b84463557d7684a5ea9149baf5332424"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2617",
    "kind": "arxiv",
    "version": 1
  }
}